134860817 has 24 divisors (see below), whose sum is σ = 172693440. Its totient is φ = 102997440.

The previous prime is 134860793. The next prime is 134860823. The reversal of 134860817 is 718068431.

It is not a de Polignac number, because 134860817 - 2¹² = 134856721 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134860417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32342 + ... + 36272.

It is an arithmetic number, because the mean of its divisors is an integer number (7195560).

Almost surely, 2^134860817 is an apocalyptic number.

It is an amenable number.

134860817 is a deficient number, since it is larger than the sum of its proper divisors (37832623).

134860817 is a wasteful number, since it uses less digits than its factorization.

134860817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3980 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 134860817 is about 11612.9590113803. The cubic root of 134860817 is about 512.8164273953.

The spelling of 134860817 in words is "one hundred thirty-four million, eight hundred sixty thousand, eight hundred seventeen".